Dual channel mode



Oct, 1l, 1966 R. J. GoUNTANls ETAL 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet l Filed April l, 1963 OGL 11, 1966 R. J. GoUNTANIs I-:TAL 3,278,906

DUAL CHANNEL MODE Filed April 1, 1963 22 Sheets-Sheet 2 I II 1 -LR a: Etf) l u x Lu 2 I9 E5; I/O D o CONTROL To C REG Q E i @2 '-2 9 CIRCUITS -*TO s D AND 8) @D SEO CONT f V TRANSLATOR OuT I* 2 3 f. ACKNOwLEOGE REGISTER SCAN v2-4 CHAIN 12Is 2-I9 IN ACKNowLEOGE 3 L REGISTER f2-I9 C V ,/2"2 CHANNEL ,E2-'7 FUNCTION J f PRIORITY H# PRIORITY q- ,2-I4 /Z'IG 2 I3 *2 5 IZ, 2-II OUT El IN RE E T f REQUEST 1 r I-gos *SHOTS I-SHOTS z-IS z-Is ,2*8 /2's z-Io 2-9 H AINITVE C3) 3) ACIT'IVE .-J REGISTER REG'STER (a) o (a) LI-l `2|g l5 m 2 219 J o ,l

Oct. 11, 1966 R. J. GoUNTANls ETAL 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet S Filed April 1. 1965 CCL 11, 1966 R. J. GouNTANls ETAL 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet 4 Filed April 1, 1963 CCL 11, 1956 R. J. GouNTANls ETAL 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet 5 Filed April 1, 1963 NVOS lHVlS Oct- 11, 1966 R. J. GouNTANls ETAL 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet 6 Filed April 1, 1963 93H NOV Nl 13S NEAB 0*- -Z- Oct- 11, 1966 R. J. GouNTANls ETAL 3,278,906

DUAL CHANNEL MODE 22 Shqets-She Filed April 1, 1963 om .mi

BAILOV U10 H13 l 100 HIO Oct. 11, 1966 R. J. GOUNTANIS ETAL DUAL CHANNEL MODE DUAL CHANNEL MODE 22 Sheets-Sheet 9 Filed April 1. 196s EI l-SHOT O7 FIG. l0

FIG.9

FIG. 8

Oct. ll, 1966 DUAL CHANNEL MODE Filed April 1, 196:5

FIG. II I DRIVER -II-4 TIME III o I lll-I FF III ACK o7 CLRIIIACK I AN II-2 II-3 SET III ACK A FIG. I6

:IL: I; I- ich d DRIVER Ie-3 C EVEII FF I? CLR C I I6-I E C EVEN A FIG. I7

t t t I I rn In r` ,IY-3 DRIVER IT-z 0 I FF C ODD I7 CLR c T IT-I ic DDD Y l2 WIE-4 TIME DUT DR'VER f /IzI DUT ACK CLR DUT ACK I A N Iz-z wIz-z SET DUI ACK FIG. I8 M Ia-I I I I BIT Iv-cR-o CH O DRIVER n M H -l M DRn/R CII-I l kIH RIT Iv-cII-z CH 2 K DRIVER BIT-w-CII-s CH 3 DRIVER iIII-5 sIT-I7-cII4 CII-4 DFWER IIa-Is eIT-I7-CII-5 CH 5 Y DRIVER BIT-IT-CII-s CHS DIRIVER LIIa-a BIT-I-CII-T CH DRIVER d 22 Sheets-Sheet l] DUAL CHANNEL MODE R. J. GOUNTANIS ETAL Oct. 1l, 1966 Filed April 1, 196:5

DUAL CHANNEL MODE 22 Sheets-Sheet 12 Filed April 1. 1965 DUAL CHANNEL MODE 22 Sheets-Sheet l5 Filed April l, 1963 Oct. 11, 1966 R. J. GOUNTANIS ETAL 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet 14 Filed April l, 1963 0 w a. 035m A i w H E@ W J A O22 l A A 8m D .T A I 8D Dm w E2 H A w tm l A A, 2 H 9.. a W I .\w O\ 0 m 3 .A :m LJ :E: fs m 8mm m .f t w @IM n H A A @2 2 .r v s 0 A O mlUn G @om 1 O s ww /m H S 2 Y P w CA I M n D 2 SR l mm 1 AH e @Smm l o CA PV rr. 7 w o F P l/-x OSD f u a H4 w. @Q m Am 2. W A Fm 3 I... A E2 P W P 4 I F A D a D 2 DL Illu 8x D A m A P E 1 x 7J 3 9 A l W A D w G I x X 2 w I P mn x G. :o D A 5 .r m w m m l.. l 9.. C A P F F D D D w A @.X X

Oct. 1l, 1966 R. J. GoUNTANls ETAL 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet 15 Filed April l, 1963 mm .mi

M M M P l/H., i n-51 H TEL ill* TS1 i l. J m VA Oct. l1, 1966 R, J. GoUNTANrs ETAL 3,278,906

DUAL CHANNEL MODE Filed April l, 1963 22 Sheets-Sheet 16 Oct. 11, 1966 R.J.GOUNTAN1S ETAL. 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet l '7 Filed April l, 1963 To; To; o Alm mm 6E Oct. 11, 1966 R.J.GouNTAN1s ETAL 3,278,906

DUAL CHANNEL MODE Filed April l, 1963 22 Sheets-Sheet 18 w l o c 4 o 4 a Om @I Y @Q1 x t @QQ A t A vom w o O. 1 NIH u h w m a N. Al WNS l 9 w o @-2 To -2 -2 M 1 Se u L m mwm @E Oct 11, 1956 R. J. GOUNTANIS ETAL 3,278,906

DUAL CHANNEL MODE 22 Sheets-Sheet 19 Filed April 1. 1963 Oct. 11, 1966 R, J. GOUNTANIS r-:TAL 3,278,906

DUAL CHANNEL MODE 22 Sheet s-Sheet .'-30

Filed April l, 1963 

1. IN A DATA PROCESSING UNIT OF THE TYPE HAVING AN ADDRESSABLE MEMORY FOR STORING N BITS OF DATA AT EACH MEMORY ADDRESS, FIRST AND SECOND INPUT CHANNELS EACH HAVING N DATA SIGNAL PATHS, FIRST AND SECOND MEANS ASSOCIATED WITH SAID FIRST AND SECOND INPUT CHANNELS, RESPECTIVELY, FOR MANIFESTING INPUT REQUEST SIGNALS, PRIORITY CIRCUIT MEANS RESPONSIVE TO SAID INPUT REQUEST SIGNALS FOR GRANTING PRIORITY TO ONE OF SAID CHANNELS AND PRODUCING SIGNALS INDICATING THE CHANNEL GRANTED PRIORITY, AND TRANSFER CONTROL MEANS NORMALLY OPERATIVE IN RESPONSE TO SIGNALS FROM SAID PRIORITY CIRCUIT MEANS FOR STORING AT ONE OF SAID MEMORY ADDRESSES THE DATA PRESENT ON THE INPUT CHANNEL GRANTED PRIORITY, THE IMPROVEMENT COMPRISING: SELECTIVELY SETTABLE MODE CONTROL MEANS RESPONSIVE TO A PRIORITY SIGNAL INDICATING THAT SAID FIRST CHANNEL HAS BEEN GRANTED PRIORITY FOR PRODUCING A MODE CONTROL SIGNAL; AND MEANS RESPONSIVE TO SAID MODE CONTROL SIGNAL FOR APPLYING SIGNALS TO SAID TRANSFER CONTROL MEANS; SAID TRANSFER CONTROL MEANS INCLUDING MEANS RESPONSIVE TO SAID LAST NAMED SIG- 